diff --git a/packages/web-util/src/live-reload.ts b/packages/web-util/src/live-reload.ts
index 8e5e7da71..407ef9e84 100644
--- a/packages/web-util/src/live-reload.ts
+++ b/packages/web-util/src/live-reload.ts
@@ -2,8 +2,7 @@
 
 function setupLiveReload(): void {
   const protocol = window.location.protocol === "http:" ? "ws:" : "wss:";
-  const port = window.location.protocol === "http:" ? "8080" : "8081";
-  const ws = new WebSocket(`${protocol}//localhost:${port}/ws`);
+  const ws = new WebSocket(`${protocol}//${window.location.hostname}:${window.location.port}/ws`);
 
   ws.addEventListener("message", (message) => {
     try {